David Robertson (born April 9, 1985), nicknamed D-Rob, is an American professional baseball relief pitcher for Team USA. He has played in Major League Baseball (MLB) for the New York Yankees, Chicago White Sox and Philadelphia Phillies over 13 seasons. Robertson played college baseball for the Alabama Crimson Tide. He was drafted by the Yankees in the 17th round of the 2006 MLB draft and made his MLB debut with the Yankees in 2008. Robertson was a member of the Yankees team that won the 2009 World Series. He was named an MLB All-Star in 2011. After Mariano Rivera retired, Robertson served as the Yankees' closer in 2014. He signed with the White Sox as a free agent after the 2014 season and was traded back to the Yankees in July 2017. Robertson signed with the Phillies as a free agent after the 2018 season. Robertson started a charitable foundation www.highsocksforhope.org and has raised millions of dollars to help tens of thousands of victims of natural disasters and veterans.